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Question

Assertion :Phasor diagrams can be drawn to represent more than two sinusoids. They can be either voltage, current or some other alternating quantity and but the frequency of all of them must be same. Reason: The length of a phasor represents the R.M.S. value of the sinusoidal quantity rather than its maximum value.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

Phasor diagrams are a graphical way of representing the magnitude and directional relationship between two or more alternating quantities. Sinusoidal waveform of the same frequency can have a phase difference between themselves which represents the angular difference of the two sinusoidal waveforms.


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